By Amy Rath
Have you ever wondered why your model turned darker in color and you can no longer pan, zoom, or rotate it? Not sure what you clicked or how to undo this? When a white branch of the specification tree or the global axis (lower right hand corner) is selected it activates the spec tree and deactivates the model. Activating the spec tree allows the user to pan and zoom the tree vs the model. Select a white spec tree branch again or the global axis to re-activate the model. Activating the model will allow the user to pan, zoom, and rotate the model once again.
Figure 1 shows the spec tree deactivated and the model active
Figure 2 shows the model deactivated and the spec tree is active
If you don’t like the option to activate the tree when selecting on a white branch of the tree; this can be controlled in the options dialog box as shown in Figure 3:
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